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Field Service Ver. 2.0 Jul. 2009
22. IMAGE QUALITY PROBLEM
869
TROUBLESHOOTING
22.3.7
Scanner system: moire
A. Typical faulty images
B. Troubleshooting procedure
A02EF4C513DA
Step
Section
Check item
Result
Action
1
Original
Moire distortions recur even after
the orientation of original has been
changed.
NO
Change the original mode
(select one other than that
resulted in moire).
2
Basic screen
Quality/Density
Moire distortions recur even after
the original mode has been
changed.
YES
Select “Text Mode” or “Photo
Mode”.
3
Basic screen
Zoom
The problem has been eliminated
through the checks of steps up to 2.
NO
Change the zoom ratio.
Y110571-1 Service Manual
Summary of Contents for d-color MF651
Page 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
Page 27: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Page 1053: ...UPDATING STATUS DATE UPDATED PAGES PAGES CODE 10 2009 1ST EDITION 1053053 Y110571 1...